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        <h1>
          <span class="m-breadcrumb"><a href="Releases.html">Release Notes</a> &raquo;</span>
          Release 3.8.0 (Master)
        </h1>
        <nav class="m-block m-default">
          <h3>Contents</h3>
          <ul>
            <li><a href="#release-3-8-0_download">Download</a></li>
            <li><a href="#release-3-8-0_system_requirements">System Requirements</a></li>
            <li><a href="#release-3-8-0_summary">Release Summary</a></li>
            <li>
              <a href="#release-3-8-0_new_features">New Features</a>
              <ul>
                <li><a href="#release-3-8-0_taskflow_core">Taskflow Core</a></li>
                <li><a href="#release-3-8-0_utilities">Utilities</a></li>
              </ul>
            </li>
            <li><a href="#release-3-8-0_bug_fixes">Bug Fixes</a></li>
            <li><a href="#release-3-8-0_breaking_changes">Breaking Changes</a></li>
            <li><a href="#release-3-8-0_documentation">Documentation</a></li>
            <li><a href="#release-3-8-0_miscellaneous_items">Miscellaneous Items</a></li>
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<p>Taskflow 3.8.0 is the newest developing line to new features and improvements we continue to support. It is also where this documentation is generated. Many things are considered <em>experimental</em> and may change or break from time to time. While it may be difficult to be keep all things consistent when introducing new features, we continue to try our best to ensure backward compatibility.</p><section id="release-3-8-0_download"><h2><a href="#release-3-8-0_download">Download</a></h2><p>To download the newest version of Taskflow, please clone the master branch from <a href="https://github.com/taskflow/taskflow">Taskflow&#x27;s GitHub</a>.</p></section><section id="release-3-8-0_system_requirements"><h2><a href="#release-3-8-0_system_requirements">System Requirements</a></h2><p>To use Taskflow v3.8.0, you need a compiler that supports C++17:</p><ul><li>GNU C++ Compiler at least v8.4 with -std=c++17</li><li>Clang C++ Compiler at least v6.0 with -std=c++17</li><li>Microsoft Visual Studio at least v19.27 with /std:c++17</li><li>AppleClang Xcode Version at least v12.0 with -std=c++17</li><li>Nvidia CUDA Toolkit and Compiler (nvcc) at least v11.1 with -std=c++17</li><li>Intel C++ Compiler at least v19.0.1 with -std=c++17</li><li>Intel DPC++ Clang Compiler at least v13.0.0 with -std=c++17</li></ul><p>Taskflow works on Linux, Windows, and Mac OS X.</p><aside class="m-note m-info"><h4>Note</h4><p>Although Taskflow supports primarily C++17, you can enable C++20 compilation through <code>-std=c++20</code> to achieve better performance due to new C++20 features.</p></aside></section><section id="release-3-8-0_summary"><h2><a href="#release-3-8-0_summary">Release Summary</a></h2><p>This releases (1) enhances the scheduling performance through C++20 atomic notification and (2) revised the semaphore model for better runtime control.</p><aside class="m-note m-info"><h4>Note</h4><p>When compiling Taskflow with C++20, applications should see improved performance due to C++20 atomic wait and notification.</p></aside></section><section id="release-3-8-0_new_features"><h2><a href="#release-3-8-0_new_features">New Features</a></h2><section id="release-3-8-0_taskflow_core"><h3><a href="#release-3-8-0_taskflow_core">Taskflow Core</a></h3><ul><li>Enhanced the core scheduling using C++20 atomic notification</li></ul><pre class="m-console"><span class="gp"># </span>compile<span class="w"> </span>your<span class="w"> </span>taskflow<span class="w"> </span>program<span class="w"> </span>with<span class="w"> </span>C++20<span class="w"> </span>enabled
<span class="go">~$ g++ -std=c++20 my_taskflow.cpp </span></pre><ul><li>Revised the semaphore programming model for better runtime control through <a href="classtf_1_1Runtime.html" class="m-doc">tf::<wbr />Runtime</a></li></ul><pre class="m-code"><span class="n">tf</span><span class="o">::</span><span class="n">Executor</span><span class="w"> </span><span class="nf">executor</span><span class="p">(</span><span class="mi">8</span><span class="p">);</span><span class="w">   </span><span class="c1">// create an executor of 8 workers</span>
<span class="n">tf</span><span class="o">::</span><span class="n">Taskflow</span><span class="w"> </span><span class="n">taskflow</span><span class="p">;</span>
<span class="n">tf</span><span class="o">::</span><span class="n">Semaphore</span><span class="w"> </span><span class="nf">semaphore</span><span class="p">(</span><span class="mi">1</span><span class="p">);</span><span class="w"> </span><span class="c1">// create a semaphore with initial count 1</span>
<span class="k">for</span><span class="p">(</span><span class="kt">size_t</span><span class="w"> </span><span class="n">i</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="o">&lt;</span><span class="mi">1000</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="o">++</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w">  </span><span class="n">taskflow</span><span class="p">.</span><span class="n">emplace</span><span class="p">([</span><span class="o">&amp;</span><span class="p">](</span><span class="n">tf</span><span class="o">::</span><span class="n">Runtime</span><span class="o">&amp;</span><span class="w"> </span><span class="n">rt</span><span class="p">){</span><span class="w"> </span>
<span class="w">    </span><span class="n">rt</span><span class="p">.</span><span class="n">acquire</span><span class="p">(</span><span class="n">semaphore</span><span class="p">);</span>
<span class="w">    </span><span class="n">std</span><span class="o">::</span><span class="n">cout</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="s">&quot;critical section here (one worker here only)</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">;</span><span class="w"> </span>
<span class="w">    </span><span class="n">critical_section</span><span class="p">();</span>
<span class="w">    </span><span class="n">rt</span><span class="p">.</span><span class="n">release</span><span class="p">(</span><span class="n">semaphore</span><span class="p">);</span>
<span class="w">  </span><span class="p">});</span>
<span class="p">}</span>
<span class="n">executor</span><span class="p">.</span><span class="n">run</span><span class="p">(</span><span class="n">taskflow</span><span class="p">).</span><span class="n">wait</span><span class="p">();</span></pre></section><section id="release-3-8-0_utilities"><h3><a href="#release-3-8-0_utilities">Utilities</a></h3></section></section><section id="release-3-8-0_bug_fixes"><h2><a href="#release-3-8-0_bug_fixes">Bug Fixes</a></h2><ul><li>Fixed the compilation error for not finding the C++ atomic library</li></ul></section><section id="release-3-8-0_breaking_changes"><h2><a href="#release-3-8-0_breaking_changes">Breaking Changes</a></h2><ul><li>Removed the support of object pool for real-time resource release</li></ul></section><section id="release-3-8-0_documentation"><h2><a href="#release-3-8-0_documentation">Documentation</a></h2><ul><li>Revised <a href="LimitTheMaximumConcurrency.html" class="m-doc">Limit the Maximum Concurrency</a></li></ul></section><section id="release-3-8-0_miscellaneous_items"><h2><a href="#release-3-8-0_miscellaneous_items">Miscellaneous Items</a></h2><p>Please do not hesitate to contact <a href="https://tsung-wei-huang.github.io/">Dr. Tsung-Wei Huang</a> if you intend to collaborate with us on using Taskflow in your scientific computing projects.</p></section>
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